How many atoms are there in 0.028 grams of iron metal? 12:50 ✓

MatFiz asked Jul 16, 2022

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28 votes

How many atoms are there in 0.028 grams
of iron metal?
12:50 ✓

MatFiz asked Jul 16, 2022

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12 votes

Answer:

30100000000000000000 atoms

Step-by-step explanation:

Ar of Fe : 56

0.028/56 = 0.0005 moles of Fe

0.0005 * 6.02 * 10^23(Avagardro's law of constant)

= 3.01*10^20 atoms

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